Spoiler nut. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Roof Header Panel. Door Mirror Nut. Fender Nut. Nut used to secure the luggage carrier side rail. Spoiler Nut. Tail Light Nut. Door Mirror. Fender. Hex. Roof Header Panel. Roof Luggage Carrier Side Rail. Spoiler. Support bracket. Tail lamp Assembly. Tail Light. Valve.